130  
FNUS75 KMSO 211138  
FWSMSO  
 
SPOT FORECAST FOR TEN-MILE  
NATIONAL WEATHER SERVICE MISSOULA MT  
538 AM MDT THU AUG 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
SEASONAL CONDITIONS ANTICIPATED TODAY WITH A  
WESTERLY WINDS THIS AFTERNOON. A FRONT WILL PUSH THROUGH THE AREA  
FROM THE NORTHEAST FRIDAY MORNING CAUSING SLIGHTLY COOLER  
TEMPERATURES FOR FRIDAY BUT GUSTY EASTERLY WINDS.  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....82-87.  
* MIN HUMIDITY........21-26 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST 5-10 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......4500 FT AGL INCREASING TO 8000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........WEST 5 MPH.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....48-53.  
* MAX HUMIDITY........44-49 PERCENT.  
* WIND (20 FT)........WEST 5-10 MPH BECOMING VARIABLE 2-6 MPH  
AFTER SUNSET.  
* MIXING HEIGHT.......5500 FT AGL DECREASING TO 1500 FT AGL EARLY  
IN THE EVENING.  
* MIXING WINDS........NORTH 5 MPH.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-85.  
* MIN HUMIDITY........22-27 PERCENT.  
* WIND (20 FT)........VARIABLE 2-6 MPH BECOMING EAST 5-10 MPH  
GUSTS TO 15 MPH BY LATE MORNING.  
* MIXING HEIGHT.......4000 FT AGL INCREASING TO 6500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........EAST 5 MPH.  
 
 
FORECASTER...SMITH  
REQUESTED BY...BITTERROOT DISPATCH- BARRETT CHOWNING  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520336.1/MSO  
.DELDT 08/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CODY.HOOVER@USDA.GOV,MTBRC@FIRENET.GOV  
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